Blank for paperboard chock



The sole FIGURE is a top plan view of a blank for paperboard chock of the present invention.

The blank for paperboard chock is flat with a given thickness and with no ornamentation on the rear thereof.

The broken lines in the drawing illustrate portions of the blank for paperboard chock which form no part of the claimed design. 

CLAIM The ornamental design for a blank for paperboard chock, as shown and described. 